Chelsea, IA Weather & Growing Conditions
This Afternoon
51°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Cloudy. High near 51, with temperatures falling to around 49 in the afternoon. West southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Slight Chance Rain Showers | 13 mph WSW | 15% |
| Tonight | 41°F | Slight Chance Rain Showers | 12 mph W | 23% |
| Thursday | 51°F | Chance Rain Showers | 10 mph NW | 27% |
| Thursday Night | 35°F | Mostly Cloudy | 6 to 9 mph N | 6% |
| Friday | 47°F | Mostly Sunny | 7 mph N | 0% |
| Friday Night | 26°F | Partly Cloudy | 0 to 3 mph NNW | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 32°F | Mostly Clear | 3 mph WSW | 0% |
| Sunday | 59°F | Sunny | 5 mph W | 0% |
| Sunday Night | 34°F | Mostly Clear | 3 mph WSW | 0% |
| Monday | 65°F | Sunny | 3 to 8 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 2 to 6 mph W | 0% |
| Tuesday | 63°F | Sunny | 3 mph NNW | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 2 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chelsea, IA
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
165 days
Hardiness zone
5a
Explore more for Chelsea, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Belle Plaine, Ia (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.